Home / 1,550,858.99-2,139,869.03-906,154.47

Finding the Fourth Proportional to 1,550,858.99, 2,139,869.03 and 906,154.47

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Solution

The fourth proportional to 1,550,858.99, 2,139,869.03 and 906,154.47 is: 1,250,308.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550,858.99 : 2,139,869.03 = 906,154.47 : x
  2. Step 2: Convert to fraction form
    1,550,858.99/2,139,869.03 = 906,154.47/x
  3. Step 3: Cross multiply
    1,550,858.99x = 2,139,869.03 × 906,154.47
  4. Step 4: Simplify right side
    1,550,858.99x = 1,939,051,882,218.29
  5. Step 5: Solve for x
    x = 1,939,051,882,218.29/1,550,858.99
  6. Step 6: Final answer
    x = 1,250,308.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.